<!doctype html><html lang="en">
 <head>
  <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
  <meta content="width=device-width, initial-scale=1, shrink-to-fit=no" name="viewport">
  <title>Foo</title>
  <link href="http://example.com/foo" rel="canonical">
<style>/* style-var-click-highlighting */

    var { cursor: pointer; }
    var.selected0 { background-color: #F4D200; box-shadow: 0 0 0 2px #F4D200; }
    var.selected1 { background-color: #FF87A2; box-shadow: 0 0 0 2px #FF87A2; }
    var.selected2 { background-color: #96E885; box-shadow: 0 0 0 2px #96E885; }
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    var.selected6 { background-color: #FFBCF2; box-shadow: 0 0 0 2px #FFBCF2; }
    </style>
<style>/* style-md-lists */

/* This is a weird hack for me not yet following the commonmark spec
   regarding paragraph and lists. */
[data-md] > :first-child {
    margin-top: 0;
}
[data-md] > :last-child {
    margin-bottom: 0;
}</style>
<style>/* style-counters */

body {
    counter-reset: example figure issue;
}
.issue {
    counter-increment: issue;
}
.issue:not(.no-marker)::before {
    content: "Issue " counter(issue);
}

.example {
    counter-increment: example;
}
.example:not(.no-marker)::before {
    content: "Example " counter(example);
}
.invalid.example:not(.no-marker)::before,
.illegal.example:not(.no-marker)::before {
    content: "Invalid Example" counter(example);
}

figcaption {
    counter-increment: figure;
}
figcaption:not(.no-marker)::before {
    content: "Figure " counter(figure) " ";
}</style>
<style>/* style-selflinks */

.heading, .issue, .note, .example, li, dt {
    position: relative;
}
a.self-link {
    position: absolute;
    top: 0;
    left: calc(-1 * (3.5rem - 26px));
    width: calc(3.5rem - 26px);
    height: 2em;
    text-align: center;
    border: none;
    transition: opacity .2s;
    opacity: .5;
}
a.self-link:hover {
    opacity: 1;
}
.heading > a.self-link {
    font-size: 83%;
}
li > a.self-link {
    left: calc(-1 * (3.5rem - 26px) - 2em);
}
dfn > a.self-link {
    top: auto;
    left: auto;
    opacity: 0;
    width: 1.5em;
    height: 1.5em;
    background: gray;
    color: white;
    font-style: normal;
    transition: opacity .2s, background-color .2s, color .2s;
}
dfn:hover > a.self-link {
    opacity: 1;
}
dfn > a.self-link:hover {
    color: black;
}

a.self-link::before            { content: "¶"; }
.heading > a.self-link::before { content: "§"; }
dfn > a.self-link::before      { content: "#"; }</style>
<style>/* style-autolinks */

.css.css, .property.property, .descriptor.descriptor {
    color: #005a9c;
    font-size: inherit;
    font-family: inherit;
}
.css::before, .property::before, .descriptor::before {
    content: "‘";
}
.css::after, .property::after, .descriptor::after {
    content: "’";
}
.property, .descriptor {
    /* Don't wrap property and descriptor names */
    white-space: nowrap;
}
.type { /* CSS value <type> */
    font-style: italic;
}
pre .property::before, pre .property::after {
    content: "";
}
[data-link-type="property"]::before,
[data-link-type="propdesc"]::before,
[data-link-type="descriptor"]::before,
[data-link-type="value"]::before,
[data-link-type="function"]::before,
[data-link-type="at-rule"]::before,
[data-link-type="selector"]::before,
[data-link-type="maybe"]::before {
    content: "‘";
}
[data-link-type="property"]::after,
[data-link-type="propdesc"]::after,
[data-link-type="descriptor"]::after,
[data-link-type="value"]::after,
[data-link-type="function"]::after,
[data-link-type="at-rule"]::after,
[data-link-type="selector"]::after,
[data-link-type="maybe"]::after {
    content: "’";
}

[data-link-type].production::before,
[data-link-type].production::after,
.prod [data-link-type]::before,
.prod [data-link-type]::after {
    content: "";
}

[data-link-type=element],
[data-link-type=element-attr] {
    font-family: Menlo, Consolas, "DejaVu Sans Mono", monospace;
    font-size: .9em;
}
[data-link-type=element]::before { content: "<" }
[data-link-type=element]::after  { content: ">" }

[data-link-type=biblio] {
    white-space: pre;
}</style>
 <body class="h-entry">
  <div class="head">
   <p data-fill-with="logo"></p>
   <h1 class="p-name no-ref" id="title">Foo</h1>
   <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Living Standard, <time class="dt-updated" datetime="1970-01-01">1 January 1970</time></span></h2>
   <div data-fill-with="spec-metadata">
    <dl>
     <dt>This version:
     <dd><a class="u-url" href="http://example.com/foo">http://example.com/foo</a>
     <dt class="editor">Editor:
     <dd class="editor p-author h-card vcard"><span class="p-name fn">Example Editor</span>
    </dl>
   </div>
   <div data-fill-with="warning"></div>
   <p class="copyright" data-fill-with="copyright">COPYRIGHT GOES HERE </p>
   <hr title="Separator for header">
  </div>
  <div class="p-summary" data-fill-with="abstract">
   <h2 class="no-num no-toc no-ref heading settled" id="abstract"><span class="content">Abstract</span></h2>
   <p>Test algorithm auto-naming.</p>
  </div>
  <div data-fill-with="at-risk"></div>
  <nav data-fill-with="table-of-contents" id="toc">
   <h2 class="no-num no-toc no-ref" id="contents">Table of Contents</h2>
   <ol class="toc" role="directory">
    <li>
     <a href="#foo"><span class="secno">1</span> <span class="content">Find a Foo</span></a>
     <ol class="toc">
      <li><a href="#bar"><span class="secno">1.1</span> <span class="content">bar</span></a>
     </ol>
    <li><a href="#foo2"><span class="secno">2</span> <span class="content">More Stuff</span></a>
    <li>
     <a href="#index"><span class="secno"></span> <span class="content">Index</span></a>
     <ol class="toc">
      <li><a href="#index-defined-here"><span class="secno"></span> <span class="content">Terms defined by this specification</span></a>
     </ol>
   </ol>
  </nav>
  <main>
   <h2 class="heading settled algorithm" data-algorithm="Find a Foo" data-level="1" id="foo"><span class="secno">1. </span><span class="content">Find a Foo</span><a class="self-link" href="#foo"></a></h2>
   <p>Blah blah blah, <var>foo</var></p>
   <h3 class="heading settled" data-level="1.1" id="bar"><span class="secno">1.1. </span><span class="content">bar</span><a class="self-link" href="#bar"></a></h3>
   <p><var>foo</var></p>
   <h2 class="heading settled" data-level="2" id="foo2"><span class="secno">2. </span><span class="content">More Stuff</span><a class="self-link" href="#foo2"></a></h2>
   <div class="algorithm" data-algorithm="find more foo">
     <dfn data-dfn-type="dfn" data-noexport id="find-more-foo">find more foo<a class="self-link" href="#find-more-foo"></a></dfn> 
    <p><var>foo</var></p>
   </div>
   <div class="algorithm" data-algorithm> <var>foo</var> </div>
   <div class="algorithm" data-algorithm>
     <dfn data-dfn-type="dfn" data-noexport id="find-even-more-foo">find even more foo<a class="self-link" href="#find-even-more-foo"></a></dfn> but also <dfn data-dfn-type="dfn" data-noexport id="find-some-bar">find some bar<a class="self-link" href="#find-some-bar"></a></dfn> 
    <p><var>foo</var></p>
   </div>
  </main>
  <h2 class="no-num no-ref heading settled" id="index"><span class="content">Index</span><a class="self-link" href="#index"></a></h2>
  <h3 class="no-num no-ref heading settled" id="index-defined-here"><span class="content">Terms defined by this specification</span><a class="self-link" href="#index-defined-here"></a></h3>
  <ul class="index">
   <li><a href="#find-even-more-foo">find even more foo</a><span>, in §2</span>
   <li><a href="#find-more-foo">find more foo</a><span>, in §2</span>
   <li><a href="#find-some-bar">find some bar</a><span>, in §2</span>
  </ul>
<script>/* script-var-click-highlighting */

    document.addEventListener("click", e=>{
        if(e.target.nodeName == "VAR") {
            highlightSameAlgoVars(e.target);
        }
    });
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        const indexCounts = new Map();
        const indexNames = new Map();
        function highlightSameAlgoVars(v) {
            // Find the algorithm container.
            let algoContainer = null;
            let searchEl = v;
            while(algoContainer == null && searchEl != document.body) {
                searchEl = searchEl.parentNode;
                if(searchEl.hasAttribute("data-algorithm")) {
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                indexCounts.get(algoName)[index] -= 1;
                highlightClass = nameFromIndex(index);
            }

            // Find all same-name vars, and toggle their class appropriately.
            for(const el of algoContainer.querySelectorAll("var")) {
                if(getVarName(el) == varName) {
                    el.classList.toggle("selected", addClass);
                    el.classList.toggle(highlightClass, addClass);
                }
            }
        }
        function getVarName(el) {
            return el.textContent.replace(/(\s| )+/, " ").trim();
        }
        function chooseHighlightIndex(algoName, varName) {
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                indexCounts.set(algoName, indexes);
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            // If the element was recently unclicked,
            // *and* that color is still unclaimed,
            // give it back the same color.
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                    return i;
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        function nameFromIndex(index) {
            return "selected" + index;
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    }
    </script>